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Development of compact gas-filled bushings with new inner-grounded electrode 新型内接地电极紧凑充气衬套的研制
2014 IEEE PES T&D Conference and Exposition Pub Date : 2014-04-14 DOI: 10.1109/TDC.2014.6863175
T. Rokunohe, Masaru Tatemi, T. Kato, T. Ishiguro, M. Hirose
{"title":"Development of compact gas-filled bushings with new inner-grounded electrode","authors":"T. Rokunohe, Masaru Tatemi, T. Kato, T. Ishiguro, M. Hirose","doi":"10.1109/TDC.2014.6863175","DOIUrl":"https://doi.org/10.1109/TDC.2014.6863175","url":null,"abstract":"In Europe and the USA, the use of gas-filled bushings with hollow composite insulators has increased. Hollow composite insulators are superior in that they are light, explosion proof, and pollution resistant, and their economic efficiency is advantageous at larger classes especially. However, developing compact gas-filled bushings by improving electric field distribution is important. The main issue for making design more compact is finding a way to reduce electric field strength on the outside hollow composite insulator around the inside grounded electrode tip. A new-type inner grounded electrode structure which consists of ring-shaped electrode and cylindrical electrode is proposed. This paper describes the effect of reduction of maximum value of electric field strength on the outside hollow insulator by the new-type one. Finally, the insulation performance of the prototype of 800-kV gas-filled bushing is described with a discussion of the results of testing fundamental insulation and overvoltage.","PeriodicalId":161074,"journal":{"name":"2014 IEEE PES T&D Conference and Exposition","volume":"289 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116581029","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Performance indices for evaluating demand response services provided by thermostatically controlled appliances 评价由恒温控制器具提供的需求响应服务的性能指标
2014 IEEE PES T&D Conference and Exposition Pub Date : 2014-04-14 DOI: 10.1109/TDC.2014.6863419
M. Vanouni, N. Lu
{"title":"Performance indices for evaluating demand response services provided by thermostatically controlled appliances","authors":"M. Vanouni, N. Lu","doi":"10.1109/TDC.2014.6863419","DOIUrl":"https://doi.org/10.1109/TDC.2014.6863419","url":null,"abstract":"This paper presents a set of performance indices to quantitatively evaluate the demand response services (DRSs) provided by thermostatically controlled appliances (TCAs). The performance indices correspond to the three main aspects of DRSs evaluation called service quality, consumer comfort, and device life time. In order to demonstrate the performance evaluation process, heating ventilation and air conditioning (HVAC) loads (as an example of TCA loads) are used and simulated for providing a DRS called load balancing service (LBS). The simulation results show that by comparing the performance indices, one can easily quantify the provided service quality and the trade-off made in terms of device lifetime and customer comfort levels.","PeriodicalId":161074,"journal":{"name":"2014 IEEE PES T&D Conference and Exposition","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132357087","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Overcoming limitations of the present protection technology for smart grid: Innovative approaches to detect High Impedance Faults 克服现有智能电网保护技术的局限性:高阻抗故障检测的创新方法
2014 IEEE PES T&D Conference and Exposition Pub Date : 2014-04-14 DOI: 10.1109/TDC.2014.6863501
A. V. Masa, F. Costa, S. Werben, B. A. Souza
{"title":"Overcoming limitations of the present protection technology for smart grid: Innovative approaches to detect High Impedance Faults","authors":"A. V. Masa, F. Costa, S. Werben, B. A. Souza","doi":"10.1109/TDC.2014.6863501","DOIUrl":"https://doi.org/10.1109/TDC.2014.6863501","url":null,"abstract":"This paper arises in the context of modernizing the power system by making it more intelligent and reliable. It tackles one of the limitations of the conventional protection technology: High Impedance Fault (HIF) detection in multi-grounded distribution networks. Two innovative approaches recently developed are described and compared. These approaches incorporate prior knowledge of the fault and advance techniques of computing science into the development of protection functions. Besides presenting an efficient solution to the HIF detection, they provide guidelines to deal with complex faults and develop a new generation of detection functions.","PeriodicalId":161074,"journal":{"name":"2014 IEEE PES T&D Conference and Exposition","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132896752","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Different types of grammar: Possible applications to smart-grids 不同类型的语法：智能电网的可能应用
2014 IEEE PES T&D Conference and Exposition Pub Date : 2014-04-14 DOI: 10.1109/TDC.2014.6863234
G. Lambert-Torres, C. D. de Moraes, M. P. Coutinho, L. E. Borges da Silva
{"title":"Different types of grammar: Possible applications to smart-grids","authors":"G. Lambert-Torres, C. D. de Moraes, M. P. Coutinho, L. E. Borges da Silva","doi":"10.1109/TDC.2014.6863234","DOIUrl":"https://doi.org/10.1109/TDC.2014.6863234","url":null,"abstract":"The first step in a integration processing or for any type of computational program is to know the grammar used by the equipment to be integrated or that will receive the developed program. The same occurs when it is important to extract information in a data mining process into a database produced by equipment or a system. Also, during the integrated operation of several types of equipment in smart-grids, it is fundamental to know very well each different grammar to obtain a correct integration. This objective of this paper is presented four examples of different types of grammar used in different type of applications in control centers and substations.","PeriodicalId":161074,"journal":{"name":"2014 IEEE PES T&D Conference and Exposition","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128360044","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A GPU-based parallel simulation platform for large-scale wind farm integration 基于gpu的大型风电场集成并行仿真平台
2014 IEEE PES T&D Conference and Exposition Pub Date : 2014-04-14 DOI: 10.1109/TDC.2014.6863283
Haixiang Gao, Ying Chen, Yin Xu, Zhitong Yu, Laijun Chen
{"title":"A GPU-based parallel simulation platform for large-scale wind farm integration","authors":"Haixiang Gao, Ying Chen, Yin Xu, Zhitong Yu, Laijun Chen","doi":"10.1109/TDC.2014.6863283","DOIUrl":"https://doi.org/10.1109/TDC.2014.6863283","url":null,"abstract":"Due to the energy crisis of the next fifty years, an increasing number of large-scale wind farms are integrating into power systems. Parallel simulation platforms are indispensable to evaluate the effects of wind farm integration. A GPU-based parallel simulation platform is constructed in this paper to test the feasibility of simulating integration systems on GPU. By adopting previous research work such as averaged model and improved EMTP algorithm, models and algorithm of the platform are firstly introduced. Then the hardware and software architecture of the platform are put forward, which combine CPU configuration and GPU computing. Finally, a wind farm with different numbers of DFIGs are used to test the performance of the platform. Results show that the platform has excellent accuracy, efficiency and scalability. The work of this paper proves the feasibility to simulate wind farm integrating dynamics adopting GPU and its potential to reach tremendous efficiency and scalability.","PeriodicalId":161074,"journal":{"name":"2014 IEEE PES T&D Conference and Exposition","volume":"177 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132326703","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
A Portable Voltage Regulator as an innovative smart grid solution 便携式电压调节器是一种创新的智能电网解决方案
2014 IEEE PES T&D Conference and Exposition Pub Date : 2014-04-14 DOI: 10.1109/TDC.2014.6863564
M. A. Pelegrini, R. Tufaniuk, J. C. Cebrian, J. C. Guaraldo, D. Kondo, M. R. Gouvêa, F. C. S. Filho, S. X. Duarte, T. P. Souza, H. P. Schmidt, K. N. Teixeira, D. R. Fagundes
{"title":"A Portable Voltage Regulator as an innovative smart grid solution","authors":"M. A. Pelegrini, R. Tufaniuk, J. C. Cebrian, J. C. Guaraldo, D. Kondo, M. R. Gouvêa, F. C. S. Filho, S. X. Duarte, T. P. Souza, H. P. Schmidt, K. N. Teixeira, D. R. Fagundes","doi":"10.1109/TDC.2014.6863564","DOIUrl":"https://doi.org/10.1109/TDC.2014.6863564","url":null,"abstract":"This article focuses on the developing of a Portable Voltage Regulator for Low Voltage Networks (PVRLVN), for single phase, two phases and three phases networks. This one is an effective equipment to regulate voltage in customer since the time established by the regulatory standards is a factor that limits the planning and the execution of corrective actions. The first PVRLVN (for two phases network) was developed inside a Research & Development Project financed by AES Eletropaulo, a Brazilian energy distribution company. Then, the PVRLVN for single phase and three phases were developed, designed and tested in a laboratory and in a real grid. Those were installed in several different locations in actual network of the AES Eletropaulo and AES Sul, both Brazilian distribution companies. Also, software for simulating alternatives and works to amend voltage levels provided to affected low voltage customers was developed.","PeriodicalId":161074,"journal":{"name":"2014 IEEE PES T&D Conference and Exposition","volume":"283 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133952110","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Analysis of electrical energy storage technologies' state-of-the-art and applications on islanded grid systems 孤岛电网储能技术现状及应用分析
2014 IEEE PES T&D Conference and Exposition Pub Date : 2014-04-14 DOI: 10.1109/TDC.2014.6863361
A. W. Bizuayehu, P. Medina, J. Catalão, E. Rodrigues, J. Contreras
{"title":"Analysis of electrical energy storage technologies' state-of-the-art and applications on islanded grid systems","authors":"A. W. Bizuayehu, P. Medina, J. Catalão, E. Rodrigues, J. Contreras","doi":"10.1109/TDC.2014.6863361","DOIUrl":"https://doi.org/10.1109/TDC.2014.6863361","url":null,"abstract":"A successful deployment of electrical energy storage (EES) in current electricity grid systems is a plausible episode in several power systems given the outstanding technical, economic and environmental benefits that EES provides. Also, more distributed resources are becoming key actors in remotely located renewable energy based and poorly interconnected island grid systems. Healing these fragile grid systems in islands requires devising and promoting a robust grid system operation. Such move should go hand in hand with an increasing distributed energy resource use to guarantee sustainable renewable energy integration into these systems. In the present document, EES technologies and applications have been compiled, where special emphasis has been given on islands, studying their particular requirements and technology appropriateness on operating project experiences around the world, from which some lessons can be learned. Conclusions about EES technologies' general suitability on island systems are duly drawn throughout the content of this paper.","PeriodicalId":161074,"journal":{"name":"2014 IEEE PES T&D Conference and Exposition","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122841890","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 19
Sequential PMU placement to monitor power flow in integrated power systems 顺序PMU放置，以监测综合电力系统的功率流
2014 IEEE PES T&D Conference and Exposition Pub Date : 2014-04-14 DOI: 10.1109/TDC.2014.6863180
Charu Sharma, B. Tyagi
{"title":"Sequential PMU placement to monitor power flow in integrated power systems","authors":"Charu Sharma, B. Tyagi","doi":"10.1109/TDC.2014.6863180","DOIUrl":"https://doi.org/10.1109/TDC.2014.6863180","url":null,"abstract":"In this paper a new approach for sequential placement of phasor measurement unit (PMU) has been proposed to monitor the power flow in transmission lines. The proposed approach is based on the real power flows and load demand in the system. Real power flow patterns at a given load have been determined using the load flow technique. As power system is continuously subjected to load variations, various load flow patterns have been obtained by increasing load at every bus. From different flow patterns different flow coverage matrices have been generated under a fixed flow coverage criterion. These flow coverage matrices have been utilized to determine the bus which covers the maximum demand of the system. The bus which covers maximum demand for various flow patterns has been selected for PMU placement. Sequential placement of PMU is considered with gradual increment in number of PMUs till whole demand of the system is covered. The proposed PMU placement technique has been tested on IEEE-14 and New England-39 bus system.","PeriodicalId":161074,"journal":{"name":"2014 IEEE PES T&D Conference and Exposition","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127670663","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Fuzzy controlled power management strategies for a grid connected hybrid energy system 并网混合能源系统的模糊控制电源管理策略
2014 IEEE PES T&D Conference and Exposition Pub Date : 2014-04-14 DOI: 10.1109/TDC.2014.6863503
T. P. Kumar, N. Subrahmanyam, M. Sydulu
{"title":"Fuzzy controlled power management strategies for a grid connected hybrid energy system","authors":"T. P. Kumar, N. Subrahmanyam, M. Sydulu","doi":"10.1109/TDC.2014.6863503","DOIUrl":"https://doi.org/10.1109/TDC.2014.6863503","url":null,"abstract":"This paper describes a fuzzy controlled power management strategies for a grid connected hybrid energy system. The hybrid energy system consists of a Photovoltaic (PV) array model and a Solid Oxide fuel cell (SOFC). As the solar energy is intermittent in nature the system becomes uncontrollable. To make the system controllable and deliver maximum power to the load a fuzzy controlled Solid Oxide Fuel Cell (SOFC) is used with Fuzzy maximum power point tracking (MPPT) controlled Photovoltaic array to make the output power of the hybrid energy system controllable. The two power management strategies unit power control and feeder flow control strategies are used to operate a grid connected Photovoltaic (PV) array and a Solid Oxide Fuel Cell (SOFC) hybrid energy system. The proposed operating strategy coordinates the two control modes, Unit Power Control (UPC) and feeder-flow control (FFC) mode and make the hybrid system output controllable. The proposed fuzzy controlled hybrid system eliminates the perturbations in the PV output power and transients in the fuel cell voltage and always operates the hybrid energy system at maximum output power with reduced number of mode changes.","PeriodicalId":161074,"journal":{"name":"2014 IEEE PES T&D Conference and Exposition","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116873423","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
The next fifty years of series capacitors — And the last eighty-six 下一个五十年的串联电容器——以及过去的八十六年
2014 IEEE PES T&D Conference and Exposition Pub Date : 2014-04-14 DOI: 10.1109/TDC.2014.6863558
Daniel Korot, P. Marken, L. Bock
{"title":"The next fifty years of series capacitors — And the last eighty-six","authors":"Daniel Korot, P. Marken, L. Bock","doi":"10.1109/TDC.2014.6863558","DOIUrl":"https://doi.org/10.1109/TDC.2014.6863558","url":null,"abstract":"Series capacitors are and will continue to be an important element in power transmission systems around the world. Series capacitors in a transmission line allow higher levels of current to flow and therefore more power than could otherwise be delivered through a given transmission line. This paper examines the eighty-six year history of one manufacturer's experience with series capacitors, especially with regard to protection, and also looks ahead at possible developments the field may see in the next fifty years. The next fifty years will likely see widespread application of more series compensated transmission lines as resistance to building new lines combined with remote, renewable generation become the norm, requiring the maximum throughput from the existing transmission infrastructure.","PeriodicalId":161074,"journal":{"name":"2014 IEEE PES T&D Conference and Exposition","volume":"115 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116286108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
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